September 5 and 6 are set to be hectic days in the mobile world, with several players lining up launches of their holiday flagships. Amazon is holding an event on September 6 and is expected to unveil a larger Kindle Fire, while some think it will also add a smartphone. The day before, Motorola Mobility is co-hosting an event with Verizon, hotly tipped to be the RAZR HD, though some are expecting products under the Google Nexus brand to cement the manufacturer’s new ownership. This will vye for attention with a Nokia/Microsoft announcement, at which the new generation of Lumia smartphones, complete with Windows Phone 8 should turn up, possibly also sporting Nokia’s famous 41-megapixel camera technology. All this will…